/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h
void GetOutputNodeVariables ( [ENiagaraScriptUsage](API\Plugins\Niagara\ENiagaraScriptUsage) InTargetScriptUsage, [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) > & OutAttributes ) const